75 lines
2.7 KiB
Docker
75 lines
2.7 KiB
Docker
# LiveReload-npm server supporting SSL/TLS
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# allow dynamic building by specifying base image elements as build-args
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ARG NODE_VERSION=16
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ARG ALPINE_VERSION=3.14
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FROM node:${NODE_VERSION}-alpine${ALPINE_VERSION}
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# create new node user with set id from build-arg
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ARG NODE_UID=9999
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RUN deluser --remove-home node \
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&& addgroup -g ${NODE_UID} -S node \
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&& adduser -G node -S -u ${NODE_UID} node
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# create default volumes in-case user forgets, expose default port
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VOLUME [ "/watch", "/certs" ]
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EXPOSE 35729
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# add tini, timezone support and create certificate directories
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RUN apk --update --no-cache add \
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tini \
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tzdata \
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openssl
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# labels
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LABEL org.opencontainers.image.authors="Asif Bacchus <asif@asifbacchus.dev>"
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LABEL org.opencontainers.image.title="livereload npm"
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LABEL org.opencontainers.image.description="Dockerized npm livereload supporting TLS and running under limited user account. Environment variables allow specifying files to watch/exclude and notification delay."
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LABEL org.opencontainers.image.url="https://git.asifbacchus.dev/ab-docker/livereload"
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LABEL org.opencontainers.image.documentation="https://git.asifbacchus.dev/ab-docker/livereload/raw/branch/master/README.md"
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LABEL org.opencontainers.image.source="https://git.asifbacchus.dev/ab-docker/livereload.git"
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# default environment variables
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ENV NODE_ENV=production
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ENV NPM_CONFIG_PREFIX=/home/node/.npm-global
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ENV PATH=/home/node/.npm-global/bin:$PATH
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ENV TZ="Etc/UTC"
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ENV LR_PORT=35729
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ENV LR_EXTS="html,xml,css,js,jsx,ts,tsx,php,py"
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ENV LR_EXCLUDE=".git/,.svn/,.vscode/,.idea/"
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ENV LR_DELAY=500
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ENV LR_DEBUG=true
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# install livereload npm as node user then switch back to root user
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USER node
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WORKDIR /home/node
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RUN mkdir -p .npm-global/bin .npm-global/lib \
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&& npm config set fund false \
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&& npm config set update-notifier false \
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&& npm install livereload --save
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# copy scripts and fix-up all permissions
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USER root
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COPY [ "livereload.js", "/home/node/livereload.js" ]
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COPY [ "entrypoint.sh", "/usr/local/bin/entrypoint.sh" ]
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RUN chown node:node /home/node/livereload.js \
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&& chmod 644 /home/node/livereload.js \
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&& chmod 755 /usr/local/bin/entrypoint.sh
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# switch to node user, run entrypoint script by default
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USER node
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WORKDIR /home/node
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ENTRYPOINT [ "/sbin/tini", "--", "/usr/local/bin/entrypoint.sh" ]
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# set build timestamp and version labels
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# TODO: uncomment when done testing
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#ARG INTERNAL_VERSION
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#ARG BUILD_DATE
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#LABEL org.opencontainers.image.version="16.5.0, 0.9.3"
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#LABEL org.opencontainers.image.vendor="NODE.js, node-livereload"
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#LABEL dev.asifbacchus.image.name="livereload-tls-npm"
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#LABEL dev.asifbacchus.image.version=${INTERNAL_VERSION}
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#LABEL org.opencontainers.image.created=${BUILD_DATE}
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#EOF
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